php拼装复杂json,php拼接json的问题

要把数据库中的内容拼接成如下格式的json,请大神们用代码说明下

[&＃39;Jan&＃39;, &＃39;Feb&＃39;, &＃39;Mar&＃39;, &＃39;Apr&＃39;, &＃39;May&＃39;, &＃39;Jun&＃39;,&＃39;Jul&＃39;, &＃39;Aug&＃39;, &＃39;Sep&＃39;, &＃39;Oct&＃39;, &＃39;Nov&＃39;, &＃39;Dec&＃39;]

和这样格式的

[{ name: &＃39;Tokyo&＃39;, data: [7.0, 6.9, 9.5, 14.5, 18.2, 21.5, 25.2, 26.5, 23.3, 18.3, 13.9, 9.6] }, { name: &＃39;New York&＃39;, data: [-0.2, 0.8, 5.7, 11.3, 17.0, 22.0, 24.8, 24.1, 20.1, 14.1, 8.6, 2.5] }]

我这样拼接时形成的json格式不对

hile($row2&＃61; sybase_fetch_array($result)){$arr[]&＃61;array($row2[&＃39;outdate&＃39;]);}

拼出的格式多了"[]"

[["20140306"],["20140307"],["20140308"],["20140309"],["20140310"],["20140311"],["20140312"],["20140313"]]

回复讨论(解决方案)

$arr[]&＃61;$row2[&＃39;outdate&＃39;];

$arr[] &＃61; $row2[&＃39;outdate&＃39;];

每个 array 是一对 []

$arr[]&＃61;$row2[&＃39;outdate&＃39;];[{ name: &＃39;Tokyo&＃39;, data: [7.0, 6.9, 9.5, 14.5, 18.2, 21.5, 25.2, 26.5, 23.3, 18.3, 13.9, 9.6] }, { name: &＃39;New York&＃39;, data: [-0.2, 0.8, 5.7, 11.3, 17.0, 22.0, 24.8, 24.1, 20.1, 14.1, 8.6, 2.5] }]

这样格式的用 JS代码怎么拼接&＃xff1f;

$ar &＃61; array( array( &＃39;name&＃39; &＃61;> &＃39;Tokyo&＃39;, &＃39;data&＃39; &＃61;> array(7.0, 6.9, 9.5, 14.5, 18.2, 21.5, 25.2, 26.5, 23.3, 18.3, 13.9, 9.6), ), array( &＃39;name&＃39; &＃61;> &＃39;New York&＃39;, &＃39;data&＃39; &＃61;> array(-0.2, 0.8, 5.7, 11.3, 17.0, 22.0, 24.8, 24.1, 20.1, 14.1, 8.6, 2.5), ),);echo json_encode($ar);[{"name":"Tokyo","data":[7,6.9,9.5,14.5,18.2,21.5,25.2,26.5,23.3,18.3,13.9,9.6]},{"name":"New York","data":[-0.2,0.8,5.7,11.3,17,22,24.8,24.1,20.1,14.1,8.6,2.5]}]

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